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So, should I change barrels?

 
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  #22  
Old 10-20-2013, 10:37 AM
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Re: So, should I change barrels?

Try the H100V. The Hodgdon website shows it getting just under 200fps more than a max 4350, H1000 or 4831 charge. (for the 142gr SMK). I am assuming the load data is all from the same barrel.
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  #23  
Old 10-20-2013, 10:41 AM
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Re: So, should I change barrels?

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Originally Posted by MontanaRifleman View Post
There may be something about this barrel/chamber/throat that it is just a slow one. 2600 seems a little slow even for a 24" barrel. You might get another 200 fps with RL17.

That said, I would not count on much more than 25-35 fps per inch in most cases.
Yes sir, I totally agree. I will check my local secret place that has never failed me when it comes to powder or primers (he always had what I wanted in the past). I messaged the guy in this video some time back and I'm sure he's the one that said Hybrid H100V was the powder he was using with 130 Swift Sciroccos:


There's another guy who said his best results came from Re17
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Derek M.
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  #24  
Old 10-20-2013, 10:45 AM
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Re: So, should I change barrels?

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Originally Posted by Max Heat View Post
Have you tried RL-19?
I'm actually going to try Re19 today or this Wednesday with the 130 Accubond. I did not try it with the 140. I've been trying to duplicate other's successes with the H1000 and Retumbo first. If you look at 6.5-284 on 6mmBR, the 2 top powders are H4831SC and H4350.

Dave Bruno, the guy who built it, said he used either N160 or N165 I can't remember but he said velocity was very good for a 24" barrel on the competition bench.
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  #25  
Old 10-20-2013, 10:52 AM
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Re: So, should I change barrels?

H100V is a relatively new powder, so there is not a lot of historical info out there. The stuff you are testing are the old standbys. So far I have found H100V to be consistent enough, but I will only have a full set of answers after and entire winter, since my loads were developed in spring and have been tested in summer. Now finally starting to cool off here in MI. I also have had a heck of a time getting CCI magnum primers, so just using regular CCI 200 primers in my 243 AI. Jan/Feb will tell how this is working when we get into late season coyote hunting.
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